package test;

public class Caclulator {
	public int add(int a,int b,int c){
		return a+b+c;
	}
	
	public int subtrack(int a,int b){
		return a-b;
	}
	
	public int mul(int a,int b){
		return a*b;
	}
	
	public int div(int a,int b){
		return a/b;
	}
}
